Cita APA (7a ed.)

Kluge, S. (2009). Encounter earth: Interactive geoscience explorations. Pearson Prentice Hall.

Cita Chicago Style (17a ed.)

Kluge, Steve. Encounter Earth: Interactive Geoscience Explorations. Upper Saddle River: Pearson Prentice Hall, 2009.

Cita MLA (8a ed.)

Kluge, Steve. Encounter Earth: Interactive Geoscience Explorations. Pearson Prentice Hall, 2009.